<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e22f0-9c64-7035-ab80-2524e47a2e1d,g:9df5fb29-8775-4d1e-85fe-1d688854a848-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.comtechtel.com/role/Cover" xlink:type="simple" xlink:href="cmtl-20260512.xsd#Cover"/>
  <link:presentationLink xlink:role="http://www.comtechtel.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019e22f0-9c64-7967-9cd7-5f9fdd6cb470" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019e22f0-9c64-7a37-a6c3-b9e6256531c2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e22f0-9c64-7967-9cd7-5f9fdd6cb470" xlink:to="loc_dei_DocumentInformationTable_019e22f0-9c64-7a37-a6c3-b9e6256531c2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesAddressTypeAxis_019e22f0-9c64-7dd5-a314-f6df07076f50" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressesAddressTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_019e22f0-9c64-7a37-a6c3-b9e6256531c2" xlink:to="loc_dei_EntityAddressesAddressTypeAxis_019e22f0-9c64-7dd5-a314-f6df07076f50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain_019e22f0-9c64-70b4-b523-03967b86f684" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AddressTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_EntityAddressesAddressTypeAxis_019e22f0-9c64-7dd5-a314-f6df07076f50" xlink:to="loc_dei_AddressTypeDomain_019e22f0-9c64-70b4-b523-03967b86f684" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_FormerAddressMember_019e22f0-9c64-7683-a56f-fba5e8ed4ea8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_FormerAddressMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_AddressTypeDomain_019e22f0-9c64-70b4-b523-03967b86f684" xlink:to="loc_dei_FormerAddressMember_019e22f0-9c64-7683-a56f-fba5e8ed4ea8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationTable_019e22f0-9c64-7a37-a6c3-b9e6256531c2" xlink:to="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019e22f0-9c64-7c19-b792-d2e15e24ce22" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_DocumentType_019e22f0-9c64-7c19-b792-d2e15e24ce22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019e22f0-9c64-738c-aaf4-ee5973166c1b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_DocumentPeriodEndDate_019e22f0-9c64-738c-aaf4-ee5973166c1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019e22f0-9c64-7c00-ae09-f2ba68c382c9" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_EntityFileNumber_019e22f0-9c64-7c00-ae09-f2ba68c382c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019e22f0-9c64-7696-a5ac-869e98dcbd66" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_EntityRegistrantName_019e22f0-9c64-7696-a5ac-869e98dcbd66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019e22f0-9c64-777c-bb2f-7b8758205a92" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019e22f0-9c64-777c-bb2f-7b8758205a92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019e22f0-9c64-7170-b441-3b6cff20f8ab" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_EntityTaxIdentificationNumber_019e22f0-9c64-7170-b441-3b6cff20f8ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019e22f0-9c64-76a5-9d98-97edf2aa9a3b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_EntityAddressAddressLine1_019e22f0-9c64-76a5-9d98-97edf2aa9a3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_019e22f0-9c64-783b-8031-2b151b9f1e85" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_EntityAddressAddressLine2_019e22f0-9c64-783b-8031-2b151b9f1e85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019e22f0-9c64-73f4-811f-3cb43b30f44a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_EntityAddressCityOrTown_019e22f0-9c64-73f4-811f-3cb43b30f44a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019e22f0-9c64-7b50-b9ed-d6e74cb1d481" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_EntityAddressStateOrProvince_019e22f0-9c64-7b50-b9ed-d6e74cb1d481" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019e22f0-9c64-7d63-b369-0ed1e741e443" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_EntityAddressPostalZipCode_019e22f0-9c64-7d63-b369-0ed1e741e443" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019e22f0-9c64-7b86-bf83-269aa9bc84cd" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_CityAreaCode_019e22f0-9c64-7b86-bf83-269aa9bc84cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019e22f0-9c64-77c2-abad-0d9d7b1fad0e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_LocalPhoneNumber_019e22f0-9c64-77c2-abad-0d9d7b1fad0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019e22f0-9c64-7e5b-9b9c-d48aa5ad756f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_WrittenCommunications_019e22f0-9c64-7e5b-9b9c-d48aa5ad756f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019e22f0-9c64-7632-8f1f-25baae2bb1f8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_SolicitingMaterial_019e22f0-9c64-7632-8f1f-25baae2bb1f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019e22f0-9c64-7c3f-88f7-1fa0ba7760b1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_PreCommencementTenderOffer_019e22f0-9c64-7c3f-88f7-1fa0ba7760b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019e22f0-9c64-7f8c-b2e2-bfa889928427" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019e22f0-9c64-7f8c-b2e2-bfa889928427" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019e22f0-9c64-7069-afe3-4607714cfef3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_Security12bTitle_019e22f0-9c64-7069-afe3-4607714cfef3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019e22f0-9c64-7a8c-ab87-ba1bf2a3e942" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_TradingSymbol_019e22f0-9c64-7a8c-ab87-ba1bf2a3e942" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019e22f0-9c64-7dd2-85d2-c7f3d74fd6f0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_SecurityExchangeName_019e22f0-9c64-7dd2-85d2-c7f3d74fd6f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019e22f0-9c64-7187-a7ae-2a9f4c5367dc" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_EntityEmergingGrowthCompany_019e22f0-9c64-7187-a7ae-2a9f4c5367dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019e22f0-9c64-7dd3-acb3-7ac066aa4764" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_AmendmentFlag_019e22f0-9c64-7dd3-acb3-7ac066aa4764" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019e22f0-9c64-7425-a324-46c21cfc91e0" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_DocumentInformationLineItems_019e22f0-9c64-72ba-bb3d-ec689e8d2f18" xlink:to="loc_dei_EntityCentralIndexKey_019e22f0-9c64-7425-a324-46c21cfc91e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
